| Date | IP Address |
| 2023-11-07 | 54.178.254.183 (ClassC) |
| 2024-12-01 | 52.194.118.232 (ClassC) |
| 2025-08-03 | 54.178.20.9 (ClassC) |
| 2025-09-08 | 52.198.188.48 (ClassC) |
| 2025-10-18 | 35.75.233.194 (ClassC) |
| 2025-12-10 | 35.77.155.43 (ClassC) |
| 2025-12-14 | 57.182.63.210 (ClassC) |
| 2026-01-15 | 54.238.31.27 (ClassC) |
| 2026-03-02 | 3.112.115.81 (ClassC) |
| Date | Domain | IP |
| auth.narita-koi.com | 2025-09-30 | 13.114.126.222 |
| www.narita-koi.com | 2025-08-03 | 54.178.20.9 |